<template>
    <div class='search-list'>
        <div class='headers'>
            <Header></Header>
            <ul>
                <li v-for='(item,index) in searchList.data' :key='index' @click='changeTab(index)'>
                    <div :class=' searchList.currentIndex == index ?"active":"" '>{{item.name}}</div>
                    <div class='search-filter' v-if='index !=0 '>
                        <i class='iconfont icon-arrow_up_fat' :class=' item.status == 1 ? "active" : ""'></i>
                        <i class='iconfont icon-arrow_down_fat' :class=' item.status == 2 ? "active" : ""'></i>
                    </div>
                </li>
            </ul>
        </div>
        <section>
            <ul v-if='goodsList.length'>
                <li v-for='(item,index) in goodsList' :key='index'>
                    <img v-lazy="item.imgUrl" alt="">
                    <h3>{{item.name}}</h3>
                    <div class='price'>
                        <div>
                            <span>¥</span>
                            <b>{{item.price}}</b>
                            销量:
                            <span>{{item.saleNum}}</span>
                        </div>
                        <div>立即购买</div>
                    </div>
                </li>
            </ul>
            <h1 v-else>暂无数据...</h1>
        </section>
        <Tabbar></Tabbar>
    </div>
</template>

<script>
import Header from '@/components/search/Header.vue'
import Tabbar from '@/components/common/Tabbar.vue'
import { getGoodsShopList } from '@/common/api/index.js'

export default {
    data () {
        return {
            goodsList: [],
            searchList: {
                currentIndex: 0,
                data: [
                    /*
                    status:0 都不亮
                    status:1 上箭头亮
                    status:2 下箭头亮
                    */
                    { name: '综合', key: 'zh' },
                    { name: '价格', status: 0, key: 'price' },
                    { name: '销量', status: 0, key: 'num' }
                ]
            }
        }
    },
    computed: {
        orderBy () {
            //知道当前是哪一个对象
            let obj = this.searchList.data[this.searchList.currentIndex];
            //针对于状态，判断是升序还是降序
            let val = obj.status == '1' ? 'asc' : 'desc';
            return val
        }
    },
    components: {
        Header,
        Tabbar
    },
    created () {
        this.getData();
    },
    methods: {
        getData (index) {
            getGoodsShopList(this.$route.query.key, this.orderBy, index).then(res => {
                this.goodsList = res;
            })
        },
        changeTab (index) {
            this.searchList.currentIndex = index;
            //点击的下标对应数据的哪一个
            let item = this.searchList.data[index];
            //取消所有的状态值===》都变成0
            this.searchList.data.forEach((v, i) => {
                if (i != index) {
                    v.status = 0;
                }
            })
            //当前点击的改变状态
            if (index == this.searchList.currentIndex) {
                item.status = item.status == 1 ? 2 : 1;
            }
            //发送请求进行数据排序
            this.getData(index);
        }
    },
    watch: {
        $route () {
            this.getData();
        }
    }
}
</script>

<style scoped lang='scss'>
.search-list {
    display: flex;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
.headers ul {
    display: flex;
    justify-content: space-around;
    padding: 0.533333rem 0;
    font-size: 0.426666rem;
}
.headers ul li {
    display: flex;
    align-items: center;
}
.headers ul li > div {
    padding: 0 0.08rem;
}
.headers ul li .search-filter {
    display: flex;
    flex-direction: column;
}
section {
    flex: 1;
    overflow: hidden;

    ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;

        li {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            box-sizing: border-box;
            width: 50%;
            padding: 0.266666rem;
        }
    }
}

section ul li img {
    width: 4.533333rem;
    height: 4.533333rem;
}
section ul li img[lazy="loading"] {
    background-color: #f7f7f7;
}
section ul li h3 {
    width: 100%;
    font-size: 0.373333rem;
    color: #222;
    font-weight: 400;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
section ul li .price {
    display: flex;
    justify-content: space-between;
    padding: 0.266666rem 0;
    width: 100%;
    font-size: 14px;
}
section ul li .price div:first-child span {
    font-size: 0.32rem;
    color: #b0352f;
}
section ul li .price div:first-child b {
    color: #b0352f;
    font-size: 0.426666rem;
}
section ul li .price div:last-child {
    padding: 0.08rem 0.16rem;
    color: #fff;
    background-color: #b0352f;
    border-radius: 0.16rem;
}
.active {
    color: red;
}
</style>
